“This entry was generated through inserting a Case citation for [CASENAME]. Case references should appear only in the notes. Remove field codes in the final document and then remove this entry.”
According to the Chicago Manual of Style 17th ed, 14.271 Note form for legal-style citations, “Legal publications use notes for documentation and rarely include bibliographies. The examples in this section, based on the recommendations in The Bluebook, are accordingly given in note form only. Any work so cited need not be listed in a bibliography.”
Hence, before finalizing the document, you will need to remove field codes using the EndNote > Convert Citations and Bibliography > Convert to Plain Text command.